Progression of the silicate cathode materials used in lithium ion batteries  

作　　者：BAO LiYing GAO Wei SU YueFeng WANG Zhao LI Ning CHEN Shi WU Feng 

机构地区：[1]School of Chemical Engineering and Environment,Beijing Institute of Technology [2]National Development Center of High Technology Green Materials

出　　处：《Chinese Science Bulletin》2013年第6期575-584,共10页

基　　金：supported by the National Basic Research Program of China (2009CB220100);the National Natural Science Foundation of China(51102018 and 21103011);the National High-Tech R&D Program of China (2011AA11A235 and SQ2010AA1123116001)

摘　　要：Poly anionic silicate materials,which demonstrate a high theoretical capacity,high security,environmental friendliness and low-cost,are considered one of the most promising candidates for use as cathode materials in the next generation of lithium-ion batteries.This paper summarizes the structure and performance characteristics of these materials.The effects of different synthesis methods and calcination temperature on the properties of these materials are reviewed.Materials that demonstrate low conductivity,poor stability,cationic disorder or other drawbacks,and the use of various modification techniques,such as carbon-coating or compositing,elemental doping and combination with mesoporous materials,are evaluated as well.In addition,further research topics and the possibility of using these kinds of cathode materials in lithium-ion batteries are discussed.Poly anionic silicate materials, which demonstrate a high theoretical capacity, high security, environmental friendliness and low-cost, are considered one of the most promising candidates for use as cathode materials in the next generation of lithium-ion batteries. This paper summarizes the structure and performance characteristics of these materials. The effects of different synthe- sis methods and calcination temperature on the properties of these materials are reviewed. Materials that demonstrate low conduc- tivity, poor stability, cationic disorder or other drawbacks, and the use of various modification techniques, such as carbon-coating or compositing, elemental doping and combination with mesoporous materials, are evaluated as well. In addition, further research topics and the possibility of using these kinds of cathode materials in lithium-ion batteries are discussed.

关 键 词：锂离子电池 正极材料 硅酸盐材料 进度 性能特点 环境友好性 阴离子型 焙烧温度 

分 类 号：TM912[电气工程—电力电子与电力传动]